GENEVA, July 2 -- KOSHIN SEIKOSHO,LTD. filed a patent application (JP2024/044595) for “PILOT CHECK VALVE, HYDRAULIC CIRCUIT, AND TRACTOR”. With publication no. WO/2026/133420, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: F16K 15/18
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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